Home / 427,146,133,599.20-589,462,248,091.40-231,829,418,487.20

Finding the Fourth Proportional to 427,146,133,599.20, 589,462,248,091.40 and 231,829,418,487.20

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Solution

The fourth proportional to 427,146,133,599.20, 589,462,248,091.40 and 231,829,418,487.20 is: 319,924,914,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,146,133,599.20 : 589,462,248,091.40 = 231,829,418,487.20 : x
  2. Step 2: Convert to fraction form
    427,146,133,599.20/589,462,248,091.40 = 231,829,418,487.20/x
  3. Step 3: Cross multiply
    427,146,133,599.20x = 589,462,248,091.40 × 231,829,418,487.20
  4. Step 4: Simplify right side
    427,146,133,599.20x = 136,654,690,195,186,894,503,936
  5. Step 5: Solve for x
    x = 136,654,690,195,186,894,503,936/427,146,133,599.20
  6. Step 6: Final answer
    x = 319,924,914,323.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.